55 lines
1.4 KiB
JavaScript
55 lines
1.4 KiB
JavaScript
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/**
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* @fileoverview Disallow construction of dense arrays using the Array constructor
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* @author Matt DuVall <http://www.mattduvall.com/>
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*/
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"use strict";
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//------------------------------------------------------------------------------
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// Rule Definition
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//------------------------------------------------------------------------------
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/** @type {import('../shared/types').Rule} */
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module.exports = {
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meta: {
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type: "suggestion",
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docs: {
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description: "disallow `Array` constructors",
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recommended: false,
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url: "https://eslint.org/docs/rules/no-array-constructor"
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},
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schema: [],
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messages: {
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preferLiteral: "The array literal notation [] is preferable."
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}
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},
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create(context) {
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/**
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* Disallow construction of dense arrays using the Array constructor
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* @param {ASTNode} node node to evaluate
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* @returns {void}
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* @private
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*/
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function check(node) {
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if (
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node.arguments.length !== 1 &&
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node.callee.type === "Identifier" &&
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node.callee.name === "Array"
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) {
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context.report({ node, messageId: "preferLiteral" });
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}
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}
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return {
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CallExpression: check,
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NewExpression: check
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};
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}
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};
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